Weather Alerts for Montana

Recent Locations: Dunstable, MA   Metuchen, NJ   Big Sky, MT  
Current Alerts for Big Sky, MT: Winter Storm Warning Winter Weather Advisory

1. Flood Advisory for: Lewis and Clark, MT

2. High Wind Warning for: Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; Northern Phillips; Southwest Phillips; Northern Valley

3. High Wind Warning for: Daniels; Sheridan; Western Roosevelt; McCone; Richland; Dawson; Prairie; Wibaux; Eastern Roosevelt

4. High Wind Warning for: Eastern Toole and Liberty; Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft

5. High Wind Warning for: Red Lodge Foothills

6. Wind Advisory for: Livingston Area; Beartooth Foothills

7. Winter Storm Warning for: Absaroka/Beartooth Mountains

8. Winter Storm Warning for: Crazy Mountains

9. Winter Storm Warning for: Gallatin and Madison County Mountains and Centennial Mountains

10. Winter Storm Warning for: Judith Basin County and Judith Gap

11. Winter Storm Warning for: Little Belt and Highwood Mountains

12. Winter Weather Advisory for: Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Snowy and Judith Mountains

13. Winter Weather Advisory for: Big Belt, Bridger and Castle Mountains

14. Winter Weather Advisory for: Bitterroot/Sapphire Mountains

15. Winter Weather Advisory for: Butte/Blackfoot Region

16. Winter Weather Advisory for: Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Beaverhead and Western Madison below 6000ft

17. Winter Weather Advisory for: Cascade County below 5000ft

18. Winter Weather Advisory for: East Glacier Park Region; Northern High Plains

19. Winter Weather Advisory for: Gallatin Valley

20. Winter Weather Advisory for: Helena Valley

21. Winter Weather Advisory for: Northern Valley

22. Winter Weather Advisory for: Potomac/Seeley Lake Region

23. Winter Weather Advisory for: Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Elkhorn and Boulder Mountains; Northwest Beaverhead County; Ruby Mountains and Southern Beaverhead Mountains

24. Winter Weather Advisory for: West Glacier Region

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

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